CVE-2026-56376

ImageMagick before 7.1.2-15 and 6.9.13-40 contains a heap use-after-free in the meta coder: when memory allocation fails, a single byte is written to a stale pointer. Remote attackers can trigger it by processing specially crafted image files, causing a denial of service.

CVSS v3 3.7 LOW

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-2gq3-ww97-wfjm	Third Party Advisory
https://www.vulncheck.com/advisories/imagemagick-heap-use-after-free-in-meta-coder	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:imagemagick:imagemagick::::::::
	cpe:2.3:a:imagemagick:imagemagick::::::::

History

25 Oct 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) ImageMagick anterior a 7.1.2-15 y 6.9.13-40 contiene un uso después de liberación de pila en el codificador meta: cuando la asignación de memoria falla, se escribe un solo byte en un puntero obsoleto. Atacantes remotos pueden activarlo al procesar archivos de imagen especialmente manipulados, causando una denegación de servicio.

Information

Published : 2026-06-23 13:16

Updated : 2026-10-29 21:17

NVD link : CVE-2026-56376

Mitre link : CVE-2026-56376

CVE.ORG link : CVE-2026-56376

JSON object : View

Products Affected

imagemagick

imagemagick

CWE

CWE-416

Use After Free

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